Home / 2,888,780,151.48-3,986,459,670.06-1,699,477,654.20

Finding the Fourth Proportional to 2,888,780,151.48, 3,986,459,670.06 and 1,699,477,654.20

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Solution

The fourth proportional to 2,888,780,151.48, 3,986,459,670.06 and 1,699,477,654.20 is: 2,345,245,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,780,151.48 : 3,986,459,670.06 = 1,699,477,654.20 : x
  2. Step 2: Convert to fraction form
    2,888,780,151.48/3,986,459,670.06 = 1,699,477,654.20/x
  3. Step 3: Cross multiply
    2,888,780,151.48x = 3,986,459,670.06 × 1,699,477,654.20
  4. Step 4: Simplify right side
    2,888,780,151.48x = 6,774,899,128,636,474,368
  5. Step 5: Solve for x
    x = 6,774,899,128,636,474,368/2,888,780,151.48
  6. Step 6: Final answer
    x = 2,345,245,665.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.